mac80211: move TX station pointer and restructure TX
Remove the control.sta pointer from ieee80211_tx_info to free up
sufficient space in the TX skb control buffer for the upcoming
Transmit Power Control (TPC).
Instead, the pointer is now on the stack in a new control struct
that is passed as a function parameter to the drivers' tx method.
Signed-off-by: Thomas Huehn <thomas@net.t-labs.tu-berlin.de>
Signed-off-by: Alina Friedrichsen <x-alina@gmx.net>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
[reworded commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/drivers/net/wireless/p54/lmac.h b/drivers/net/wireless/p54/lmac.h
index 3d8d622..de1d46b 100644
--- a/drivers/net/wireless/p54/lmac.h
+++ b/drivers/net/wireless/p54/lmac.h
@@ -526,7 +526,9 @@
void p54_unregister_leds(struct p54_common *priv);
/* xmit functions */
-void p54_tx_80211(struct ieee80211_hw *dev, struct sk_buff *skb);
+void p54_tx_80211(struct ieee80211_hw *dev,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb);
int p54_tx_cancel(struct p54_common *priv, __le32 req_id);
void p54_tx(struct p54_common *priv, struct sk_buff *skb);
diff --git a/drivers/net/wireless/p54/main.c b/drivers/net/wireless/p54/main.c
index 7cffea7..5e91ad0 100644
--- a/drivers/net/wireless/p54/main.c
+++ b/drivers/net/wireless/p54/main.c
@@ -158,7 +158,7 @@
* to cancel the old beacon template by hand, instead the firmware
* will release the previous one through the feedback mechanism.
*/
- p54_tx_80211(priv->hw, beacon);
+ p54_tx_80211(priv->hw, NULL, beacon);
priv->tsf_high32 = 0;
priv->tsf_low32 = 0;
diff --git a/drivers/net/wireless/p54/txrx.c b/drivers/net/wireless/p54/txrx.c
index f38786e..5861e13 100644
--- a/drivers/net/wireless/p54/txrx.c
+++ b/drivers/net/wireless/p54/txrx.c
@@ -676,8 +676,9 @@
EXPORT_SYMBOL_GPL(p54_rx);
static void p54_tx_80211_header(struct p54_common *priv, struct sk_buff *skb,
- struct ieee80211_tx_info *info, u8 *queue,
- u32 *extra_len, u16 *flags, u16 *aid,
+ struct ieee80211_tx_info *info,
+ struct ieee80211_sta *sta,
+ u8 *queue, u32 *extra_len, u16 *flags, u16 *aid,
bool *burst_possible)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
@@ -746,8 +747,8 @@
}
}
- if (info->control.sta)
- *aid = info->control.sta->aid;
+ if (sta)
+ *aid = sta->aid;
break;
}
}
@@ -767,7 +768,9 @@
}
}
-void p54_tx_80211(struct ieee80211_hw *dev, struct sk_buff *skb)
+void p54_tx_80211(struct ieee80211_hw *dev,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct p54_common *priv = dev->priv;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -784,7 +787,7 @@
u8 nrates = 0, nremaining = 8;
bool burst_allowed = false;
- p54_tx_80211_header(priv, skb, info, &queue, &extra_len,
+ p54_tx_80211_header(priv, skb, info, control->sta, &queue, &extra_len,
&hdr_flags, &aid, &burst_allowed);
if (p54_tx_qos_accounting_alloc(priv, skb, queue)) {